We found this circuit in a 1994 National Semiconductor technical documentation. The circuit can be adapted to operate with more modern equivalent operational amplifiers.
This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1...
This is a circuit of an 80's American documentation and can be implemented with modern components....
This flip-flop using two bipolar transistor was found in a publication of the year 1968. The...